Gun rack



FIG. 1 is a perspective view of a gun rack showing my new design;

FIG. 2 is a perspective view of a modified form of the gun rack shown in FIG. 1;

FIG. 3 is a left side elevational view of FIG. 1;

FIG. 4 is a bottom plan view of FIG. 1; and

FIG. 5 is a bottom plan view of FIG. 2. 

The ornamental design for a gun rack, as shown and described. 